| from typing import cast |
| from zeroconf import ServiceBrowser, Zeroconf |
| |
| import socket |
| |
| class Discoverer: |
| def __init__(self): |
| self.zeroconf = Zeroconf() |
| self.discoveries = {} |
| browser = ServiceBrowser(self.zeroconf, "_google_mdt._tcp.local.", self) |
| |
| def add_service(self, zeroconf, type, name): |
| info = self.zeroconf.get_service_info(type, name) |
| if info: |
| hostname = info.server.split('.')[0] |
| address = socket.inet_ntoa(cast(bytes, info.address)) |
| self.discoveries[hostname] = address |
| |
| def remove_service(self, zeroconf, type, name): |
| info = self.zeroconf.get_service_info(type, name) |
| del(self.discoveries[info.server]) |